70704019 has 2 divisors, whose sum is σ = 70704020. Its totient is φ = 70704018.

The previous prime is 70703993. The next prime is 70704043. The reversal of 70704019 is 91040707.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70704019 - 2¹⁹ = 70179731 is a prime.

It is a super-2 number, since 2×70704019² = 9998116605504722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70704419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35352009 + 35352010.

It is an arithmetic number, because the mean of its divisors is an integer number (35352010).

Almost surely, 2^70704019 is an apocalyptic number.

70704019 is a deficient number, since it is larger than the sum of its proper divisors (1).

70704019 is an equidigital number, since it uses as much as digits as its factorization.

70704019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70704019 is about 8408.5681896504. The cubic root of 70704019 is about 413.5055728718.

The spelling of 70704019 in words is "seventy million, seven hundred four thousand, nineteen".